How To Waterproof Speakers: 3 Methods

As experts in the field of sound, we understand the pivotal part speakers play in delivering quality audio gests. Besides the many functions of the speaker, the waterproof function is also very important

So, How to waterproof speakers? In this article at audiosk, we will explore the importance of waterproofing. We will also discuss the necessary equipment to waterproof speakers and the step-by-step procedures. These measures will ensure that your speakers stay protected, regardless of humidity.

How Can You Tell If Your Speakers Need Waterproofing?

How to waterproof speakers

We think that protecting the speakers is particularly important for out-of-door use to protect them from the damaged. Your speaker exposure to rain can compromise the quality of your speakers, and dirt can also impact their functionality.

In inner surroundings like kitchens, moisture is current. So, it’s inversely important to guard your speakers.

When you choose speakers for out-of-door use, select models designed for water resistance. There are colorful water- resistant speakers available in the request tailored for very purposes.

How To Waterproof speakers?

Well, below we will give you detailed instructions on the 3 easiest methods to How to waterproof speakers:

The materials you’ll need

Here’s the materials on how to waterproof your speakers:

  • Waterproof Case (Use this if you would like to replace your wooden casing)
  • Your toolbox (Especially a flathead screwdriver)
  • Foam brush
  • The speakers that you’re going to use
  • Polymer spray or the Polyurethane spray

Method 1: Use A Protective Case

With our experience, protective cases are the first line of defense against water damage. We recommend choosing cases with a high Ingress Protection (IP) standing. These cases are designed to shield your speakers from water and dust effectively. Look for options that balance robust protection with portability.

Do not forget to consider the size and model of your speakers. You should think about your speaker’s size and weight, and where you’ll use it. If you’re going to use it in a wet place, you need to get a well waterproof case.

Remember, putting your speakers in a case could change how they sound. If you enjoy great music, try a different way to protect them.

Method 2: Coat Them With A Waterproof Sealant

You need to selecting the right sealant before beginning, ensure that the sealant you’ve chosen is specifically made for speakers. However, consult a specialist to confirm whether it’s suitable and will not negatively impact the speaker’s performance, If there is any mistrustfulness.

  1. Preparing your workspace work in an area with good air circulation. However, like in a house or garage, spread journals on the floor to protect surfaces from any spills
  2. Clean the surface of your speakers so that you won’t seal any dirt 
  3. Take off the grill that’s covering the speaker cone. If you’re not sure how to do this, you may refer to your speaker’s manual.
  4. Now it’s time to apply the sealant to the cone. Shake the sealant in its container first to make sure it’s mixed well. We recommend you spray the whole speaker lightly and evenly if you’re using a varnish.
  5. Put the speaker in a place with lots of fresh air and let it dry until the next day.
  6. Reassembling and testing once the speaker is fully dry, reattach the speaker. Now, you can test the speaker to make sure it’s functioning as expected.

Remember, these ways are pivotal for maintaining the quality and life of your speakers. Always follow product instructions and safety guidelines during the process.

Method 3: Wrap Them In A Plastic Bag

Wrapping your speakers in a heavy- duty plastic bag can be a quick fix, especially in unanticipated rainfall changes. This system isn’t just affordable but also largely effective for short- term protection.

Our tip uses clear, thin bags to minimize sound deformation. Make sure the bag is tightly sealed but not too constricting on the speaker’s factors.

How to Safely Apply Waterproof Coating to Speakers?

Do you need instructions to add a shiny polymer layer to your speakers? A wrong move can damage the speaker. It’s crucial to stick to the guidelines. We’re here to guide you through this process safely.

First things first, ensure your speaker is spotless. No dust or grime should be there. Also, prepare your workspace well.

Then, it’s time to remove the speaker’s cone cover. This usually needs an adult’s help. If you’re unsure, the speaker’s manual can help.

With the cover off, give the polymer bottle a good shake and start applying it to the cone. It’s important to cover the speaker’s entire outer part, cones included. Check that you have enough polymer for the whole surface. Spread it thinly and evenly across.

Afterwards, you can reattach and enjoy the sound!

If you follow these tips, you will be able to safely apply the coating and protect your speakers from water damage.

Does Waterproofing Speakers Change Their Sound?

In the sound field, we know that waterproofing speakers can slightly change their sound, but it’s not usually a big deal. The materials used for waterproofing can affect the sound a bit, especially higher tones.

But, with modern technology, we’re pretty good at keeping the sound quality high, even when the speakers are waterproof. Most people might not notice much difference. This methods aims to make waterproof speakers that still sound great.

How To Protect The Wires And Drivers From he Water Damage?

When making your speakers waterproof, it’s key to shield the wires and sound parts from water. Do this by adding a waterproof layer.

You can cover your wires either before or after you coat the outside of your speakers. A great choice for this task is a spray made of polyurethane foam. It’s vital to cover all the wires fully and leave no open spots. This stops water from getting in and hurting your speakers.

When you add a coat to the sound parts, pick a sealant that keeps the sound clear. A smart pick is polymer. Put it on in a smooth, even layer to prevent any water from gathering.

The place you live and how you use your speakers might mean you have to add more waterproof coating later. Always watch your speakers for any signs of water harm, and fix it fast if you find any.


To keep your speaker safe from water, you can use a cover, adhesive material, or even a plain plastic bag. Always make sure they are waterproof according to the methods we have shown.

After our guide at audiosk, you’ll know how to keep your speakers, cords, and outlets dry. You can have fun with your music at any outside party!

Ciaran Gonzan

Ciaran Gonzan

Ciaran Gonzan is the CEO and founder of Audiosk. He has 25+ years of experience and expertise in audio production, mixing, and mastering across music, film, and gaming.